Can some one tell me how to plot a contour map of the height of the earth surface?

Can some one tell me how to plot a contour map of the height of the earth surface?

some one give me algorithm for contour plotting on <email snipped>

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, learning, and sharing knowledge.